Home / 137,285.06-205,592.24-84,622.10

Finding the Fourth Proportional to 137,285.06, 205,592.24 and 84,622.10

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Solution

The fourth proportional to 137,285.06, 205,592.24 and 84,622.10 is: 126,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,285.06 : 205,592.24 = 84,622.10 : x
  2. Step 2: Convert to fraction form
    137,285.06/205,592.24 = 84,622.10/x
  3. Step 3: Cross multiply
    137,285.06x = 205,592.24 × 84,622.10
  4. Step 4: Simplify right side
    137,285.06x = 17,397,646,276.10
  5. Step 5: Solve for x
    x = 17,397,646,276.10/137,285.06
  6. Step 6: Final answer
    x = 126,726.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.